Fix PickerIOSExample

Reviewed By: nicklockwood

Differential Revision: D2735834

fb-gh-sync-id: 8f2777ec2afe007523ea85cca27f40497910d2d1

Examples/UIExplorer/PickerIOSExample.js

@@ -113,9 +113,10 @@ var PickerStyleExample = React.createClass({
   getInitialState: function() {
     return {
       carMake: 'cadillac',
+      modelIndex: 0,
     };
   },
-  
+
   render: function() {
     var make = CAR_MAKES_AND_MODELS[this.state.carMake];
     var selectionString = make.name + ' ' + make.models[this.state.modelIndex];